[PATCH 5.3 102/148] watchdog: aspeed: Add support for AST2600

From: Greg Kroah-Hartman
Date: Thu Oct 10 2019 - 04:42:07 EST


From: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>

[ Upstream commit b3528b4874480818e38e4da019d655413c233e6a ]

The ast2600 can be supported by the same code as the ast2500.

Signed-off-by: Ryan Chen <ryan_chen@xxxxxxxxxxxxxx>
Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20190819051738.17370-3-joel@xxxxxxxxx
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/watchdog/aspeed_wdt.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/watchdog/aspeed_wdt.c b/drivers/watchdog/aspeed_wdt.c
index cc71861e033a5..5b64bc2e87888 100644
--- a/drivers/watchdog/aspeed_wdt.c
+++ b/drivers/watchdog/aspeed_wdt.c
@@ -34,6 +34,7 @@ static const struct aspeed_wdt_config ast2500_config = {
static const struct of_device_id aspeed_wdt_of_table[] = {
{ .compatible = "aspeed,ast2400-wdt", .data = &ast2400_config },
{ .compatible = "aspeed,ast2500-wdt", .data = &ast2500_config },
+ { .compatible = "aspeed,ast2600-wdt", .data = &ast2500_config },
{ },
};
MODULE_DEVICE_TABLE(of, aspeed_wdt_of_table);
@@ -259,7 +260,8 @@ static int aspeed_wdt_probe(struct platform_device *pdev)
set_bit(WDOG_HW_RUNNING, &wdt->wdd.status);
}

- if (of_device_is_compatible(np, "aspeed,ast2500-wdt")) {
+ if ((of_device_is_compatible(np, "aspeed,ast2500-wdt")) ||
+ (of_device_is_compatible(np, "aspeed,ast2600-wdt"))) {
u32 reg = readl(wdt->base + WDT_RESET_WIDTH);

reg &= config->ext_pulse_width_mask;
--
2.20.1